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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1696 | serge | 1 | |
| 2 | |||
| 3 | |||
| 4 | #include |
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| 5 | #include |
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| 6 | #include |
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| 7 | |||
| 8 | |||
| 9 | #include |
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| 10 | #include |
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| 11 | #include "sound.h" |
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| 12 | #include "fplay.h" |
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| 13 | |||
| 14 | |||
| 15 | |||
| 16 | |||
| 17 | |||
| 18 | |||
| 19 | |||
| 20 | |||
| 21 | AVCodecContext *pCodecCtx; |
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| 22 | AVCodecContext *aCodecCtx; |
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| 23 | AVCodec *pCodec; |
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| 24 | AVCodec *aCodec; |
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| 25 | AVFrame *pFrame; |
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| 26 | int videoStream; |
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| 27 | int audioStream; |
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| 28 | |||
| 29 | |||
| 30 | |||
| 31 | |||
| 32 | |||
| 33 | extern int sample_rate; |
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| 34 | |||
| 35 | |||
| 36 | { |
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| 37 | int i; |
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| 38 | |||
| 39 | |||
| 40 | printf("Please provide a movie file\n"); |
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| 41 | return -1; |
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| 42 | } |
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| 43 | |||
| 44 | |||
| 45 | |||
| 46 | |||
| 47 | avdevice_register_all(); |
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| 48 | av_register_all(); |
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| 49 | |||
| 50 | |||
| 51 | |||
| 52 | if(av_open_input_file(&pFormatCtx, argv[1], NULL, 0, NULL)!=0) |
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| 53 | { |
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| 54 | printf("Cannot open file %s\n\r", argv[1]); |
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| 55 | return -1; // Couldn't open file |
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| 56 | }; |
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| 57 | |||
| 58 | |||
| 59 | |||
| 60 | |||
| 61 | if(av_find_stream_info(pFormatCtx)<0) |
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| 62 | { |
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| 63 | printf("Cannot find streams\n\r"); |
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| 64 | return -1; |
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| 65 | }; |
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| 66 | |||
| 67 | |||
| 68 | |||
| 69 | |||
| 70 | |||
| 71 | |||
| 72 | videoStream=-1; |
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| 73 | audioStream=-1; |
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| 74 | for(i=0; i < pFormatCtx->nb_streams; i++) |
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| 75 | { |
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| 76 | if(pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_VIDEO |
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| 77 | && videoStream < 0) |
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| 78 | { |
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| 79 | videoStream=i; |
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| 80 | video_time_base = pFormatCtx->streams[i]->time_base; |
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| 81 | |||
| 82 | |||
| 83 | if(pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_AUDIO && |
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| 84 | audioStream < 0) |
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| 85 | { |
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| 86 | audioStream=i; |
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| 87 | } |
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| 88 | } |
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| 89 | |||
| 90 | |||
| 91 | { |
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| 92 | printf("Video stream not detected\n\r"); |
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| 93 | return -1; // Didn't find a video stream |
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| 94 | } |
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| 95 | |||
| 96 | |||
| 97 | |||
| 98 | pCodecCtx=pFormatCtx->streams[videoStream]->codec; |
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| 99 | |||
| 100 | |||
| 101 | |||
| 102 | |||
| 103 | pCodec=avcodec_find_decoder(pCodecCtx->codec_id); |
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| 104 | if(pCodec==NULL) { |
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| 105 | printf("Unsupported video codec!\n"); |
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| 106 | return -1; // Codec not found |
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| 107 | } |
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| 108 | // Open codec |
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| 109 | if(avcodec_open(pCodecCtx, pCodec) < 0) |
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| 110 | { |
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| 111 | printf("Cannot open video codec\n\r"); |
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| 112 | return -1; // Could not open codec |
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| 113 | }; |
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| 114 | |||
| 115 | |||
| 116 | aCodecCtx->request_channels = FFMIN(2, aCodecCtx->channels); |
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| 117 | else |
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| 118 | aCodecCtx->request_channels = 2; |
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| 119 | |||
| 120 | |||
| 121 | |||
| 122 | |||
| 123 | { |
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| 124 | if(avcodec_open(aCodecCtx, aCodec) >= 0 ) |
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| 125 | { |
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| 126 | WAVEHEADER whdr; |
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| 127 | int fmt; |
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| 128 | |||
| 129 | |||
| 130 | aCodecCtx->sample_rate, aCodecCtx->channels); |
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| 131 | |||
| 132 | |||
| 133 | whdr.riff_format = 0x45564157; |
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| 134 | whdr.wFormatTag = 0x01; |
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| 135 | whdr.nSamplesPerSec = aCodecCtx->sample_rate; |
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| 136 | whdr.nChannels = aCodecCtx->channels; |
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| 137 | whdr.wBitsPerSample = 16; |
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| 138 | |||
| 139 | |||
| 140 | |||
| 141 | |||
| 142 | |||
| 143 | |||
| 144 | { |
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| 145 | decoder_buffer = (uint8_t*)av_mallocz(AVCODEC_MAX_AUDIO_FRAME_SIZE); |
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| 146 | if( decoder_buffer != NULL ) |
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| 147 | { |
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| 148 | astream.lock = 0; |
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| 149 | astream.count = 0; |
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| 150 | astream.buffer = (char *)av_mallocz(AVCODEC_MAX_AUDIO_FRAME_SIZE*8); |
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| 151 | if( astream.buffer != NULL ) |
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| 152 | have_sound = 1; |
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| 153 | else |
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| 154 | av_free(decoder_buffer); |
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| 155 | } |
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| 156 | if( have_sound == 0) |
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| 157 | { |
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| 158 | printf("Not enough memory for audio buffers\n"); |
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| 159 | } |
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| 160 | } |
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| 161 | } |
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| 162 | else printf("Cannot open audio codec\n\r"); |
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| 163 | } |
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| 164 | else printf("Unsupported audio codec!\n"); |
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| 165 | |||
| 166 | |||
| 167 | return 0; |
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| 168 | |||
| 169 | |||
| 170 | // Note that pFrameRGB is an AVFrame, but AVFrame is a superset |
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| 171 | // of AVPicture |
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| 172 | |||
| 173 | |||
| 174 | |||
| 175 | |||
| 176 | |||
| 177 | |||
| 178 | |||
| 179 | |||
| 180 | |||
| 181 | av_free(pFrame); |
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| 182 | |||
| 183 | |||
| 184 | |||
| 185 | |||
| 186 | // avcodec_close(pCodecCtx); |
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| 187 | |||
| 188 | |||
| 189 | // av_close_input_file(pFormatCtx); |
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| 190 | |||
| 191 | |||
| 192 | |||
| 193 | |||
| 194 | } |
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| 195 | |||
| 196 | |||
| 197 | { |
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| 198 | AVPacket packet; |
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| 199 | |||
| 200 | |||
| 201 | { |
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| 202 | if(packet.stream_index==videoStream) |
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| 203 | { |
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| 204 | decode_video(pCodecCtx, &packet); |
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| 205 | } |
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| 206 | else if( (packet.stream_index == audioStream) && |
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| 207 | (have_sound != 0) ) |
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| 208 | { |
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| 209 | uint8_t *audio_data; |
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| 210 | int audio_size; |
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| 211 | int len; |
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| 212 | int data_size=0; |
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| 213 | |||
| 214 | |||
| 215 | audio_size = packet.size; |
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| 216 | |||
| 217 | |||
| 218 | { |
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| 219 | data_size = AVCODEC_MAX_AUDIO_FRAME_SIZE; |
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| 220 | |||
| 221 | |||
| 222 | &data_size, audio_data, audio_size); |
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| 223 | |||
| 224 | |||
| 225 | { |
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| 226 | audio_data += len; |
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| 227 | audio_size -= len; |
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| 228 | |||
| 229 | |||
| 230 | AVCODEC_MAX_AUDIO_FRAME_SIZE*8) |
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| 231 | { |
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| 232 | yield(); |
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| 233 | } |
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| 234 | spinlock_lock(&astream.lock); |
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| 235 | memcpy(astream.buffer+astream.count, decoder_buffer, data_size); |
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| 236 | astream.count += data_size; |
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| 237 | spinlock_unlock(&astream.lock); |
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| 238 | } |
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| 239 | else audio_size = 0; |
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| 240 | } |
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| 241 | } |
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| 242 | // Free the packet that was allocated by av_read_frame |
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| 243 | av_free_packet(&packet); |
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| 244 | }; |
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| 245 | }; |
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| 246 | |||
| 247 | |||
| 248 | |||
| 249 | { |
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| 250 | int off = offset; |
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| 251 | return lseek(fd, off, origin); |
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| 252 | } |
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| 253 | > |
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| 254 |